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3 years ago

WHICH ONE OF THE TWO APPROXIMATIONS IS BETTER ESTIMATE FOR PI? EXPLAIN

Mathematics

2 answers:

shepuryov [24]3 years ago

6 0

3.142 because if you put pi in a calculator, it will be 3.1425..., ad 3.142 is closer to 3.1425 than 3.141

alina1380 [7]3 years ago

6 0

3.142 because when you calculate it, the answer is 3.1425 and that is closer to 3.142

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Whats the answer, can someone plz help me????

Greeley [361]

X/5 + 7 = 14

Subtract 7 from each side:

X/5 = 7

Multiply both sides by 5:

x = 7 * 5

X = 35

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4 years ago

Classify the number shown as the dot in this diagram.

dedylja [7]

Answer:

Rational, Real

Hope this helps!

8 0

3 years ago

If f(x) = 2x³ = x² + 3x + 10 and g(x) = x³ + 3x² + 2x + 4, determine when f(x) > g(x).

lesya [120]

Hope this helps, if not sorry.

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3 years ago

A small lawnmower company produced 1,500 lawnmowers in 2008. In an effort to determine how maintenance-free these units were, th

ikadub [295]

Answer:

The 95% confidence interval for the average number of years until the first major repair is (3.1, 3.5).

Step-by-step explanation:

The (1 - α)% confidence interval for the average using the finite correction factor is:

$CI=\bar x\pm z_{\alpha/2}\cdot\frac{\sigma}{\sqrt{n}}\cdot\sqrt{\frac{N-n}{N-1}}$

The information provided is:

$N=1500\\n=183\\\sigma=1.47\\\bar x=3.3$

The critical value of z for 95% confidence level is,

z = 1.96

Compute the 95% confidence interval for the average number of years until the first major repair as follows:

$CI=\bar x\pm z_{\alpha/2}\cdot\frac{\sigma}{\sqrt{n}}\cdot\sqrt{\frac{N-n}{N-1}}$

$=3.3\pm 1.96\times\frac{1.47}{\sqrt{183}}\times\sqrt{\frac{1500-183}{1500-1}}\\\\=3.3\pm 0.19964\\\\=(3.10036, 3.49964)\\\\\approx (3.1, 3.5)$

Thus, the 95% confidence interval for the average number of years until the first major repair is (3.1, 3.5).

7 0

3 years ago

What method do i use to solve this?

skelet666 [1.2K]

Answer: x=20
all angles in the triangle are 180 degree, so:
2x+3x+4x=180
9x=180
divide both sides by 9
x= 20

8 0

3 years ago